Calculate the number 6513
[8662] Calculate the number 6513 - NUMBERMANIA: Calculate the number 6513 using numbers [8, 5, 6, 2, 16, 499] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 0
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Calculate the number 6513

NUMBERMANIA: Calculate the number 6513 using numbers [8, 5, 6, 2, 16, 499] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 0
#brainteasers #math #numbermania
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Horse Jury Duty

A group of horses were moving down towards the horse court for horse jury.
One horse asks another, "Where do we enter again?"
The other horse replies indignantly, "Why the mane entrance of course!"

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Otto von Guericke

Died 11 May 1686 at age 83 (born 20 Nov 1602).German physicist who investigated the properties of a vacuum invented (1654) the first piston air pump to produce a vacuum. While mayor of Madgeburg, in 1663, he demonstrated that two 51 cm diameter copper hemispheres with air pumped out of their interior would be so strongly held together by the force of air pressure that teams of horses harnessed to each hemisphere were not able to pull the hemispheres apart. He studied the role of air in combustion and respiration. With his invention of the first electrostatic machine - a rotating ball of sulphur electrified by friction against his hand - he produced sizeable sparks and showed that like charges repel each other.«
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